Borough were beaten 4-0 at home to Poole Town on Saturday - watch match highlights here.
Warren Bentley's hat-trick and a goal from Steven Devlin to inflict Eastbourne's sixth National League South defeat on the season.
Howell's side have scored 26 goals which is a long way off the lowest in the league but had they more in the final third on Saturday, they might have got a result.
"I think now, after a certain amount of games, you don't have to be a rocket scientist to understand where we're struggling," he told the club's website.
"We play some nice football and we get into some good areas but I think we only had one shot in the first-half and to be honest I thought we were playing better than them but they're 2-0 up.
"It's been a common theme and that's down to be to sort out which I need to do quickly."
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